EP3759449A4 - Tripedal flexure member and load/torque measurement systems using same - Google Patents

Tripedal flexure member and load/torque measurement systems using same Download PDF

Info

Publication number
EP3759449A4
EP3759449A4 EP20745569.2A EP20745569A EP3759449A4 EP 3759449 A4 EP3759449 A4 EP 3759449A4 EP 20745569 A EP20745569 A EP 20745569A EP 3759449 A4 EP3759449 A4 EP 3759449A4
Authority
EP
European Patent Office
Prior art keywords
tripedal
load
same
measurement systems
torque measurement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20745569.2A
Other languages
German (de)
French (fr)
Other versions
EP3759449B1 (en
EP3759449A1 (en
Inventor
Maciej Lisiak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Futek Advanced Sensor Technology
Original Assignee
Futek Advanced Sensor Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Futek Advanced Sensor Technology filed Critical Futek Advanced Sensor Technology
Publication of EP3759449A1 publication Critical patent/EP3759449A1/en
Publication of EP3759449A4 publication Critical patent/EP3759449A4/en
Application granted granted Critical
Publication of EP3759449B1 publication Critical patent/EP3759449B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/205—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using distributed sensing elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/2206—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
    • G01L1/2243—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports the supports being parallelogram-shaped
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
    • G01G3/14—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
    • G01G3/1402—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
    • G01G3/1412—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports the supports being parallelogram shaped
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/2206—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Force In General (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Retarders (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
  • Testing Of Engines (AREA)
EP20745569.2A 2019-01-25 2020-01-03 Tripedal flexure member and load/torque measurement systems using same Active EP3759449B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/257,541 US10816419B2 (en) 2019-01-25 2019-01-25 Tripedal flexure member and load/torque measurement systems using same
PCT/US2020/012119 WO2020154077A1 (en) 2019-01-25 2020-01-03 Tripedal flexure member and load/torque measurement systems using same

Publications (3)

Publication Number Publication Date
EP3759449A1 EP3759449A1 (en) 2021-01-06
EP3759449A4 true EP3759449A4 (en) 2021-12-15
EP3759449B1 EP3759449B1 (en) 2022-09-07

Family

ID=71732368

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20745569.2A Active EP3759449B1 (en) 2019-01-25 2020-01-03 Tripedal flexure member and load/torque measurement systems using same

Country Status (6)

Country Link
US (1) US10816419B2 (en)
EP (1) EP3759449B1 (en)
JP (1) JP7064626B2 (en)
IL (1) IL281987B2 (en)
SG (1) SG11202010206VA (en)
WO (1) WO2020154077A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019123440A1 (en) * 2017-12-24 2019-06-27 Shekel Scales (2008) Ltd Planar load cell assembly
WO2019220400A1 (en) 2018-05-16 2019-11-21 Shekel Scales (2008) Ltd Weighing load cells and arrangements employing them in shelves
CN112219093A (en) 2018-06-06 2021-01-12 磅秤 （2008）有限公司 System and method for weighing products on a shelf
WO2020003221A1 (en) 2018-06-28 2020-01-02 Shekel Scales (2008) Ltd Systems and methods for weighing products on a shelf

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1335520A (en) * 1972-02-08 1973-10-31 Peak Components Ltd Strain measurement
US3969935A (en) * 1974-10-29 1976-07-20 Gse, Inc. Load cell
US4785896A (en) * 1987-10-13 1988-11-22 Revere Corporation Of America Load sensing structure for weighing apparatus

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3695096A (en) 1970-04-20 1972-10-03 Ali Umit Kutsay Strain detecting load cell
US4448085A (en) * 1981-05-19 1984-05-15 Setra Systems, Inc. Force transducer
JPS5940806U (en) * 1982-09-06 1984-03-15 株式会社オリエンテック Sealed structure of strain gauge
JPS6151524A (en) 1984-08-20 1986-03-14 Tokyo Electric Co Ltd Multirange load cell balance
JP2614743B2 (en) * 1988-05-20 1997-05-28 株式会社共和電業 Load transducer
JP2769493B2 (en) * 1988-11-08 1998-06-25 株式会社共和電業 Connection structure of strain gage applied transducer
JPH0740185Y2 (en) * 1989-10-05 1995-09-13 株式会社共和電業 Moisture-proof structure of strain gauge type transducer
US5121989A (en) 1990-03-12 1992-06-16 Mcneilus Truck And Manufacturing, Inc. Transportable concrete batching apparatus
US5336854A (en) 1992-04-03 1994-08-09 Weigh-Tronix, Inc. Electronic force sensing load cell
US5313023A (en) * 1992-04-03 1994-05-17 Weigh-Tronix, Inc. Load cell
US6417466B2 (en) 1998-09-03 2002-07-09 Measurement Specialties, Inc. Load cell with bossed sensor plate for an electrical weighing scale
JP2001343294A (en) 2000-05-31 2001-12-14 Ishida Co Ltd Load cell and balance
US6504114B1 (en) 2000-08-22 2003-01-07 Flintec, Inc. Double bending beam load cell
US6555767B1 (en) 2000-08-22 2003-04-29 Flintec, Inc. Composite load cell
US6633008B2 (en) * 2001-02-27 2003-10-14 Weigh-Tronix, Inc. Electronic force sensing shock resistant load cell
DE102008064169B4 (en) * 2008-12-22 2013-07-18 Hottinger Baldwin Messtechnik Gmbh load cell
WO2010106388A1 (en) * 2009-03-19 2010-09-23 S.C.A.I.M.E S.A. Sealed sensor with strain gauges
US8181541B2 (en) * 2010-05-14 2012-05-22 Bertec Corporation Low profile transducer with high moment capacity
GB2489246B (en) * 2011-03-22 2015-10-28 Illinois Tool Works Differential deflection measurement in structural members
CN105486297B (en) * 2015-11-19 2018-05-29 上海交通大学 A kind of polycyclic interior S-shaped flexible beam resonant gyroscope of disk and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1335520A (en) * 1972-02-08 1973-10-31 Peak Components Ltd Strain measurement
US3969935A (en) * 1974-10-29 1976-07-20 Gse, Inc. Load cell
US4785896A (en) * 1987-10-13 1988-11-22 Revere Corporation Of America Load sensing structure for weighing apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020154077A1 *

Also Published As

Publication number Publication date
IL281987B1 (en) 2023-04-01
IL281987A (en) 2021-05-31
US20200240858A1 (en) 2020-07-30
EP3759449B1 (en) 2022-09-07
SG11202010206VA (en) 2020-11-27
JP2022518077A (en) 2022-03-14
US10816419B2 (en) 2020-10-27
EP3759449A1 (en) 2021-01-06
WO2020154077A1 (en) 2020-07-30
JP7064626B2 (en) 2022-05-10
IL281987B2 (en) 2023-08-01

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